Union City is located in northeast New Jersey. Union City is part of Hudson County. Union City has 1.28 square miles of land area and has no water area. As of 2010-2014, the total Union City population is 68,001, which has grown 1.36% since 2000. The population growth rate is lower than the state average rate of 5.47% and is much lower than the national average rate of 11.61%. Union City median household income is $40,939 in 2010-2014 and has grown by 33.60% since 2000. The income growth rate is higher than the state average rate of 30.67% and is higher than the national average rate of 27.36%. Union City median house value is $293,200 in 2010-2014 and has grown by 107.94% since 2000. The house value growth rate is higher than the state average rate of 87.30% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Union City is worse than the state average in quality. The Union City area codes are 201, 551.